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Disassembly
8.6
Removing Pinion
1.
Remove the circlip (27) and thrust bearing (23) on top of the pinion assembly.
For sizes 950 to 1600 remove also the top pinion bearing (19).
2.
Remove the pinion (18) by pushing it downwards.
3.
Remove the pinion O-ring seals (21/22) and the pinion bearings (19/20).
For Size 950 to 1600, remove also the backup ring (29).
4.
Discard all of these parts.
Figure 30
Pinion Removal
27
23
21
19
18
19
21
18
27
23
29
19
19
22
20
21
Sizes 950 and 1600
Sizes 40 to 600
Table 13.
Recommended circlip pliers according DIN 5254 (or equal) for shaft circlip
Actuator
size
Pinion top
diameter
Pliers according
DIN 5254
Actuator
size
Pinion top
diameter
Pliers according
DIN 5254
40 - 100
22 mm
0.866"
A2
950
65 mm
2.559"
A3
150 - 350
36 mm
1.417"
A3
1600
75 mm
2.953"
A3
600
55 mm
2.165"
A3
Installation, Operation and Maintenance Manual
DOC.IOM.BQ.E Rev. 3
April 2019
39
Section 8: Disassembly